a) Prove the following identity. (Do not use Examples.) (A+B+C)° = A" +B" +C" b) Is the product of two elementary matrices elementary? Justify your answer.
a) Prove the following identity. (Do not use Examples.) (A+B+C)° = A" +B" +C" b) Is the product of two elementary matrices elementary? Justify your answer.
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Transcribed Image Text:a) Prove the following identity. (Do not use Examples.)
(A+B+C)" = A" + B" +C"
b) Is the product of two elementary matrices elementary? Justify your answer.
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